
.ljy-flex-b {
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.ljy-flex-c {
	display: flex;
	justify-content: center;
	align-items: center;
}

.ljy-flex-a {
	display: flex;
	justify-content: space-around;
	align-items: center;
}

.center-block {
	text-align: center;
}
.ljy-w{
	width: 100%;
}
.ljy-test-bor{
	border: red 2px solid;
}
/*万用媒体查询*/